void IMB_blend_color_float(float dst[4], float src1[4], float src2[4], IMB_BlendMode mode)
{
switch (mode) {
case IMB_BLEND_MIX:
blend_color_mix_float(dst, src1, src2); break;
case IMB_BLEND_ADD:
blend_color_add_float(dst, src1, src2); break;
case IMB_BLEND_SUB:
blend_color_sub_float(dst, src1, src2); break;
case IMB_BLEND_MUL:
blend_color_mul_float(dst, src1, src2); break;
case IMB_BLEND_LIGHTEN:
blend_color_lighten_float(dst, src1, src2); break;
case IMB_BLEND_DARKEN:
blend_color_darken_float(dst, src1, src2); break;
case IMB_BLEND_ERASE_ALPHA:
blend_color_erase_alpha_float(dst, src1, src2); break;
case IMB_BLEND_ADD_ALPHA:
blend_color_add_alpha_float(dst, src1, src2); break;
default:
dst[0] = src1[0];
dst[1] = src1[1];
dst[2] = src1[2];
dst[3] = src1[3];
break;
}
}
void IMB_blend_color_float(float dst[4], float src1[4], float src2[4], IMB_BlendMode mode)
{
switch (mode) {
case IMB_BLEND_MIX:
blend_color_mix_float(dst, src1, src2); break;
case IMB_BLEND_ADD:
blend_color_add_float(dst, src1, src2); break;
case IMB_BLEND_SUB:
blend_color_sub_float(dst, src1, src2); break;
case IMB_BLEND_MUL:
blend_color_mul_float(dst, src1, src2); break;
case IMB_BLEND_LIGHTEN:
blend_color_lighten_float(dst, src1, src2); break;
case IMB_BLEND_DARKEN:
blend_color_darken_float(dst, src1, src2); break;
case IMB_BLEND_ERASE_ALPHA:
blend_color_erase_alpha_float(dst, src1, src2); break;
case IMB_BLEND_ADD_ALPHA:
blend_color_add_alpha_float(dst, src1, src2); break;
case IMB_BLEND_OVERLAY:
blend_color_overlay_float(dst, src1, src2); break;
case IMB_BLEND_HARDLIGHT:
blend_color_hardlight_float(dst, src1, src2); break;
case IMB_BLEND_COLORBURN:
blend_color_burn_float(dst, src1, src2); break;
case IMB_BLEND_LINEARBURN:
blend_color_linearburn_float(dst, src1, src2); break;
case IMB_BLEND_COLORDODGE:
blend_color_dodge_float(dst, src1, src2); break;
case IMB_BLEND_SCREEN:
blend_color_screen_float(dst, src1, src2); break;
case IMB_BLEND_SOFTLIGHT:
blend_color_softlight_float(dst, src1, src2); break;
case IMB_BLEND_PINLIGHT:
blend_color_pinlight_float(dst, src1, src2); break;
case IMB_BLEND_LINEARLIGHT:
blend_color_linearlight_float(dst, src1, src2); break;
case IMB_BLEND_VIVIDLIGHT:
blend_color_vividlight_float(dst, src1, src2); break;
case IMB_BLEND_DIFFERENCE:
blend_color_difference_float(dst, src1, src2); break;
case IMB_BLEND_EXCLUSION:
blend_color_exclusion_float(dst, src1, src2); break;
case IMB_BLEND_COLOR:
blend_color_color_float(dst, src1, src2); break;
case IMB_BLEND_HUE:
blend_color_hue_float(dst, src1, src2); break;
case IMB_BLEND_SATURATION:
blend_color_saturation_float(dst, src1, src2); break;
case IMB_BLEND_LUMINOSITY:
blend_color_luminosity_float(dst, src1, src2); break;
default:
dst[0] = src1[0];
dst[1] = src1[1];
dst[2] = src1[2];
dst[3] = src1[3];
break;
}
}
void IMB_blend_color_float(float *dst, float *src1, float *src2, float fac, IMB_BlendMode mode)
{
if (fac==0) {
dst[0]= src1[0];
dst[1]= src1[1];
dst[2]= src1[2];
dst[3]= src1[3];
return;
}
switch (mode) {
case IMB_BLEND_MIX:
blend_color_mix_float(dst, src1, src2, fac);
break;
case IMB_BLEND_ADD:
blend_color_add_float(dst, src1, src2, fac);
break;
case IMB_BLEND_SUB:
blend_color_sub_float(dst, src1, src2, fac);
break;
case IMB_BLEND_MUL:
blend_color_mul_float(dst, src1, src2, fac);
break;
case IMB_BLEND_LIGHTEN:
blend_color_lighten_float(dst, src1, src2, fac);
break;
case IMB_BLEND_DARKEN:
blend_color_darken_float(dst, src1, src2, fac);
break;
default:
dst[0]= src1[0];
dst[1]= src1[1];
dst[2]= src1[2];
}
if (mode == IMB_BLEND_ERASE_ALPHA) {
dst[3]= (src1[3] - fac*src2[3]);
if (dst[3] < 0.0f) dst[3] = 0.0f;
}
else { /* this does ADD_ALPHA also */
dst[3]= (src1[3] + fac*src2[3]);
if (dst[3] > 1.0f) dst[3] = 1.0f;
}
}
